Year-end tax planning can be a effective way to reduce your tax bill for the current year. Here are a few strategies you may want to consider:

1. Defer income: If you expect to be in a higher tax bracket next year, you may want to defer receiving income until next year. This can be done by delaying the payment of bonuses or consulting fees, or by negotiating the timing of your stock options.
2. Accelerate deductions: If you expect to be in a lower tax bracket next year, you may want to accelerate deductions into the current year. This can be done by prepaying deductible expenses, such as property taxes or charitable donations.
3. Maximize contributions to retirement accounts: Contributions to tax-deferred retirement accounts, such as 401(k)s and traditional IRAs, can reduce your taxable income. If you haven't yet made the maximum contribution for the year, consider doing so before the end of the year to lower your tax bill.
4. Use tax credits: There are various tax credits available that can reduce your tax liability dollar for dollar. Some examples include the Child Tax Credit, the Earned Income Tax Credit, and the Education Credit.
5. Review your tax withholding: If you receive a large refund every year, it may be because you had too much tax withheld from your paychecks throughout the year. You can adjust your tax withholding by filling out a new Form W-4 with your employer.

It's important to note that tax planning should be done in conjunction with a comprehensive financial plan and should take into account your long-term financial goals. It's also a good idea to consult with a tax professional to ensure that you are making the right decisions for your specific situation.